查询词典 draw a blank

While carrying out simulative program design for hobbing machining,the most difficult point is the description and modelling on the relationship between the cutter and gear blank both in space and in motion,especially the modelling of motion relation between cutter and gear blank in case there exists factors of error.

在进行滚齿的切削仿真程序设计中，其中最大的难点是对刀具和轮坯的空间关系和运动关系的描述和建模，尤其是存在误差因素时对刀具和轮坯之间运动关系的建模。

Photographicsensitive besidesyour blank site, exposing hydrophilic coating metal oxide layer, which forms the basis of a new, blank, its principles are anti-alcohol exposure decomposition produces INDENE acidic compounds, alkalescence neuroactivities, generate soluble salts, loss of protection, together with the treatment of development was dissolved.

裁撤不满缺部位的感平涂层，露不入干火性的金属氧化层，变成印版的不满缺本原，其道理是感平剂曝平搀合爆发的茚硷性化合物，在碱性精神功用下，天生可溶性盐，获得了差成膜物的爱护功用，不隐影时被一路凝固失。

In partⅠ, it discusses the philosophical substratum in the formation of the blank art which is embodied specially of Chinese tradition philosophy. In the philosophical substratum of blank art, the antinomy and unity of positivism and negativism constitutes the philosophy of composition, the interrelation of positivism and negativism constitutes the philosophy of artistic conception, and the interdependency of spirit and matter constitutes the philosophy of aesthetics.

第一层面主要论述了我国传统哲学在艺术中的具体体现，认为它的形成有着浓厚的哲学底蕴：其中阴阳的对立统一是空白艺术的构图哲学基础，虚实的相生相成是空白艺术的意境哲学基础，心境的互依互现是空白艺术的审美哲学基础。

This approach is base on the following idea:under not effect to the deformation of rectangular pipe,to change right angle to obtuse angle which is variant as some regular,make plain-barreled roll pass receive vertical roll shape pipe blank,and then let pipe blank entering into vertical roll pass.With continuous deformation, the difference between diagonal line of rhombus pass will be reduced to zero,finally changed into a square.

该方法的基本思路是：在不影响方矩形管变形的前提下，通过将孔型顶角由直角改为按一定规律变化的钝角，让呈卧菱形状的平辊孔型接纳呈立菱形状的管坯，接着让卧菱形状的管坯进入立菱形状的立辊孔型，随着变形的继续，逐渐缩小菱形孔型对角线之差直至为零，成为正方形。

I'd then use this to power the lathe and machine a cast blank made from the pulley blank pattern.

我想， 然后使用这个权力的车床和机器一投空白作出的滑轮空模式。

According to the sand filling tube model , research the blank off efficiency、enduring erosion ability and profile control efficiency; The single core flow experiment purports that: at the conditions of 20meter/D injection velocity and 0.5PV injection amount, the blank off efficiency keep above 40% after flushing 20PV.

采用填砂管模型研究了盐沉析体系的封堵效率、耐冲刷性和调剖效率；单岩心实验结果表明：当诱导剂注入速度为20m/天、注入量为0.5PV时，封堵率为66.67%，地层水冲刷20PV后封堵率保持在40%以上。

The invention relates to a code device, which is characterized in that: the device safety storage section has a blank mark which comprises at least two conditions as effective and ineffective; when the blank mark is effective, the code device only can be logged in by the device initial user; and when it is ineffective, the code device can be logged in by other user without the initial user.

本发明提供一种密码设备，其特征在于：在设备安全存储区内设置一空白标志，该空白标志至少具有有效及无效两种状态，当空白标志有效时，密码设备只接受设备初始用户的登录，当空白标志无效时，密码设备不接受设备初始用户的登录，其它用户可以正常登录。

If the blank certificate is not enough, they should make an application by filling in Subscription List for Blank Certificate 20 days in advance.

第二十五条各发证机构对空白证书与签证章的管理实行处长领导下的专人负责制。

From blank to blank a threadless way I pushed mechanic feet- Emily Dickenson.

从一个空到另一个空我没有头绪的踩着机器的踏板-艾米丽·迪肯森。

After the research on blank modeling and shot peening path design for integral wing panel , a new technology for rapid blank modeling based feature mapping and an algorithm for complex Integral Wing Panel s shot peening path design are presented in this thesis.

本文对机翼整体壁板板坯建模与喷丸路径规划问题进行了深入研究，提出了基于特征映射的板坯快速建模技术和复杂翼型整体壁板喷丸路径规划算法。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。